I guess I don't understand. It's -25C outside, and the car was parked in the garage for an hour, after a 50km drive.
The car was preheated at work with the planned trip before leaving work. There was no power- or regen limitation on the power/regen bar when I left work. I think the car used about 7% SOC during this preheating.
If you have a ’21 refresh with heatpump you might have seen the battery actually get cooler after departing from preheat( indivated by some dots on regen).
I did drive 50km after preheat and i left it in the garage which keeps +10c( but colder after opening and putting the car in).
I did on purpose
not navigate to a SuC which would preheat the battery, because:
1) I already did this once and as I described at that time I had no problems with keeping highway speeds as ”TeslaBjörn” had.
2) I did this test because people on a swedish forum ranted about the M3P 21 not being able to be driven at all on highways. As for the battery temps, you can se them in my post, for each SOC.
At least it shows the ’21 M3P having enough power to be used on highways even if the battery isnt preheated for SuC( as I did once down to 6%SOC). It also shows that with cold battery we do not get 400kw at low SOC.
The ’21 refresh uses heat from the battery to heat the driver compartment in some scenarios. This cools the battery and give us performance hit. There most probably isnt any difference between US and EU in that area, because the whole idea with the heat pump and octovalve is to get very energy efficient.
The battery gets drained from heat as we see on the regen dots coming during driving and further on the drive the battery regains temp(most probably the heat loss in the battery). The car ”lends heat energy” from the battery that otherwise would be taken from the battery SOC. And the battery slowly get heated by itself anyway so there is no need to heat it with battery SOC. A smart solution.
I dont think that the people co plaini g snout this issue would accept the need to drive 150 or 250km to heat the battery to get the power. In fact, I guess the heat pump/ octovalve use any excess heat to heat the cabin and that the battery will not get ”high power warm” at all, despite a long trip.
( again, the whole idea with heat pump/ octovale is to make the very best use of any energy available).
As it looks from your power curve, it isnt a ’21 refresh. Unless maybe preheated for a Supercharging session?